Combined tractor trailer lifter and switch therefor



FIG. 1 is a perspective view of a combined tractor trailer lifter and switch therefor showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The cording element of the claimed design is shown broken away to show indeterminate length. 

The ornamental design for a combined tractor trailer lifter and switch therefor, as shown and described. 